CA2439860A1 - Connection device for an electric accumulator - Google Patents

Connection device for an electric accumulator Download PDF

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Publication number
CA2439860A1
CA2439860A1 CA002439860A CA2439860A CA2439860A1 CA 2439860 A1 CA2439860 A1 CA 2439860A1 CA 002439860 A CA002439860 A CA 002439860A CA 2439860 A CA2439860 A CA 2439860A CA 2439860 A1 CA2439860 A1 CA 2439860A1
Authority
CA
Canada
Prior art keywords
connection device
electric accumulator
strip
electrode
connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002439860A
Other languages
French (fr)
Other versions
CA2439860C (en
Inventor
Michel Barrault
Eric Bettega
Yvan Cadoux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blue Solutions SA
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2439860A1 publication Critical patent/CA2439860A1/en
Application granted granted Critical
Publication of CA2439860C publication Critical patent/CA2439860C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/581—Devices or arrangements for the interruption of current in response to temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H01M2200/103—Fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H01M2200/106—PTC
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention relates to a connection device for an electric accumulator (10 ) comprising a first connection sub-assembly (16) which is connected to one of the electrodes (12). The inventive device also comprises a metal conductive blade (20), which is provided with numerous spikes intended to be embedded i n the electrode (12) in order to establish the electrical contact, and electrical and/or thermal protection means which are housed in a module (25) that is fixed and electrically connected to one of the ends of the blade (20 ).

Claims (10)

1. Connection device for an electric accumulator (10) comprising a first connection subassembly (16) associated with one of the electrodes (12), and a second connection subassembly (18) associated with the other electrode (14), characterised in that the first connection subassembly (16) comprises:
- a metallic conducting strip (20) provided with several pins (22) that will be embedded in the electrode (12) to make the electrical contact, - and temperature and/or electrical protection means housed in a fixed module (25) electrically connected to one of the ends of the strip (20).
2. Connection device for an electric accumulator (10) according to claim 1, characterised in that the pins (22) are distributed over the entire surface of the strip (20) that comes into contact with the electrode (12).
3. Connection device for an electric accumulator (10) according to claim 1, characterised in that a soft conducting metal strip (24) covers the plane surface of the electrode (12) before pressure is applied to the strip (20) to force it into place.
4. Connection device for an electric accumulator (10) according to claim 3, characterised in that the strip (24) is based on lithium.
5. Connection device for an electric accumulator (10) according to any one of claims 1 to 4, characterised in that temperature protection means comprise a temperature switch (26) activated by a state change of a paste (30, 42) sensitive to a change in temperature, and return means that pull the switch (26) towards the open position when the temperature exceeds a predetermined limit.
6. Connection device for an electric accumulator (10) according to claim 5, characterised in that the conducting paste (30) is placed in the contact gap.
7. Connection device for an electric accumulator (10) according to claim 5, characterised in that the paste (42) is made of a material that melts under the action of heat.
8. Connection device for an electric accumulator (10) according to any one of claims 1 to 7, characterised in that the electrical protection means comprise an electrical switch (27) comprising a circuit breaker with a rated fuse, formed by a local restriction of the cross section (36) of the conducting path of an electrical connecting part (31).
9. Connection device for an electric accumulator (10) according to claim 1, characterised in that the protection means may comprise a CTP resistance in series with the strip (20).
10. Connection device for an electric accumulator (10) according to claim 1, characterised in that the second connection subassembly (18) is obtained by welding the electrode (14) to a foil (50) after pre-tinning of contact area (54).
CA2439860A 2001-03-07 2002-03-04 Connection device for an electric accumulator Expired - Lifetime CA2439860C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR01/03093 2001-03-07
FR0103093A FR2821983B1 (en) 2001-03-07 2001-03-07 CONNECTION DEVICE FOR ELECTRIC BATTERY
PCT/EP2002/002282 WO2002071510A1 (en) 2001-03-07 2002-03-04 Connection device for an electric accumulator

Publications (2)

Publication Number Publication Date
CA2439860A1 true CA2439860A1 (en) 2002-09-12
CA2439860C CA2439860C (en) 2010-07-27

Family

ID=8860836

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2439860A Expired - Lifetime CA2439860C (en) 2001-03-07 2002-03-04 Connection device for an electric accumulator

Country Status (6)

Country Link
US (1) US7666544B2 (en)
EP (1) EP1368843B1 (en)
JP (1) JP2004521459A (en)
CA (1) CA2439860C (en)
FR (1) FR2821983B1 (en)
WO (1) WO2002071510A1 (en)

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US9246140B2 (en) * 2009-07-09 2016-01-26 Samsung Sdi Co., Ltd. Rechargeable battery with a cap assembly having a first tab located outside of the case
US8877361B2 (en) 2009-09-01 2014-11-04 Samsung Sdi Co., Ltd. Rechargeable battery
KR101130294B1 (en) 2010-03-30 2012-08-23 에스비리모티브 주식회사 Rechargeable Battery
KR101222368B1 (en) * 2010-05-20 2013-01-15 로베르트 보쉬 게엠베하 Second Battery
US9099732B2 (en) 2010-06-11 2015-08-04 Samsung Sdi Co., Ltd. Rechargeable battery having a fuse with an insulating blocking member
US8785781B2 (en) 2010-06-21 2014-07-22 Samsung Sdi Co., Ltd. Connecting tab of battery pack, coupling structure between the connecting tab and wire, and coupling method thereof
US9478774B2 (en) 2010-12-02 2016-10-25 Samsung Sdi Co., Ltd. Rechargeable battery
KR101274806B1 (en) 2011-07-26 2013-06-13 로베르트 보쉬 게엠베하 Rechargeable battery
US9634299B2 (en) 2011-09-06 2017-04-25 Samsung Sdi Co., Ltd. Rechargeable battery
US8940420B2 (en) * 2011-09-29 2015-01-27 Samsung Sdi Co., Ltd. Rechargeable battery
KR101683210B1 (en) 2011-11-17 2016-12-07 삼성에스디아이 주식회사 Rechargeable battery
KR101608631B1 (en) * 2013-07-30 2016-04-05 주식회사 엘지화학 Lithium Secondary Battery having Electrode Terminal Comprising Wood's Metal
JP6471735B2 (en) * 2016-10-11 2019-02-20 トヨタ自動車株式会社 Secondary battery
JP7304371B2 (en) * 2021-01-13 2023-07-06 プライムプラネットエナジー＆ソリューションズ株式会社 Terminal parts and secondary batteries

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JPS6438966A (en) * 1987-03-31 1989-02-09 Toshiba Battery Nonaqueous electrolyte battery of cylindrical form
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Also Published As

Publication number Publication date
CA2439860C (en) 2010-07-27
WO2002071510A1 (en) 2002-09-12
EP1368843B1 (en) 2017-04-19
US20040092167A1 (en) 2004-05-13
FR2821983A1 (en) 2002-09-13
EP1368843A1 (en) 2003-12-10
FR2821983B1 (en) 2003-08-15
US7666544B2 (en) 2010-02-23
JP2004521459A (en) 2004-07-15

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Effective date: 20220304